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Abstract
Abstract The recent development of dual-beam airborne Doppler weather radar offers the possibility to perform high-resolution observations of the three-dimensional air motion and precipitation fields associated with severe weather systems. However, the limited size of the onboard antennas imposes the use of high radar frequencies (e.g., X band) in order to achieve satisfactory beam resolutions. Therefore, the sampled radar reflectivity is attenuated when intercepting intense rain cells. This paper aims at developing algorithms for correcting the observed radar reflectivity for attenuation that fully exploit the dual-beam sampling strategy and the multiple aircraft operations conducted in Tropical Ocean and Global Atmosphere Coupled Ocean–Atmosphere Response Experiment (TOGA COARE). Its specific contribution is twofold. Algorithm development. On the one hand, the former stereoradar analysis helps to retrieve independently the“true” (nonattenuated) radar reflectivity Z and specific attenuation K when using ...
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